Top 90 KAB-N windows

Tiny details, great effect

In order to further meet the aesthetic standards of modern architecture, our Top 90 systems of PVC-aluminium are now also available with the angular KAB-N appearance. The outside frameless sash variants in particular underline the clear, distinctive lines here. Top 90 KAB windows and doors can now be obtained for the same price with either a bevelled or angular appearance.